<?php

$ranges = array(2885681152 => array(2886729727, 'US'), 2886729728 => array(2887778303, 'ZZ'), 2887778304 => array(2889875455, 'US'), 2889875456 => array(2894069759, 'ZZ'), 2894069760 => array(2899902463, 'US'), 2898264064 => array(2899967999, 'US'), 2899968000 => array(2900099071, 'CA'));